4131878501 has 16 divisors (see below), whose sum is σ = 4352400000. Its totient is φ = 3916737216.

The previous prime is 4131878483. The next prime is 4131878503. The reversal of 4131878501 is 1058781314.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-4131878501 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4131878503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2649560 + ... + 2651118.

It is an arithmetic number, because the mean of its divisors is an integer number (272025000).

Almost surely, 2^4131878501 is an apocalyptic number.

It is an amenable number.

4131878501 is a deficient number, since it is larger than the sum of its proper divisors (220521499).

4131878501 is a wasteful number, since it uses less digits than its factorization.

4131878501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3196.

The product of its (nonzero) digits is 26880, while the sum is 38.

The square root of 4131878501 is about 64279.6896461083. The cubic root of 4131878501 is about 1604.6581054409.

The spelling of 4131878501 in words is "four billion, one hundred thirty-one million, eight hundred seventy-eight thousand, five hundred one".